Submission #1189305

#TimeUsernameProblemLanguageResultExecution timeMemory
1189305Boycl07죄수들의 도전 (IOI22_prison)C++20
100 / 100
6 ms1096 KiB
#include "prison.h" #include "bits/stdc++.h" using namespace std; #define ll long long #define rep(i, n) for(int i = 1; i <= (n); ++i) #define forn(i, l, r) for(int i = (l); (i) <= (r); ++i) #define ford(i, r, l) for(int i = (r); (i) >= (l); --i) #define endl "\n" #define fi first #define se second #define pb push_back #define pll pair<ll, ll> #define pii pair<int, int> #define all(a) a.begin(), a.end() #define sz(a) (int)(a.size()) #define task "note" template<typename T> bool maximize(T &res, const T &val) {if(res < val) {res = val; return 1;} return 0;} template<typename T> bool minimize(T &res, const T &val) {if(res < val) return 0; res = val; return 1;} inline int readInt() {char c;while(c=getchar(),c!='-'&&(c<'0'||c>'9'));bool sign=(c=='-');if(sign)c=getchar();int n=c-'0';while(c=getchar(),c>='0'&&c<='9')n=10*n+c-'0';return(!sign)?n:-n;} inline ll readLong() {char c;while(c=getchar(),c!='-'&&(c<'0'||c>'9'));bool sign=(c=='-');if(sign)c=getchar();ll n=c-'0';while(c=getchar(),c>='0'&&c<='9')n=10*n+c-'0';return(!sign)?n:-n;} inline string readString() {char c;while(c=getchar(),c==' '||c=='\n'||c=='\t');string s({c});while(c=getchar(),c!=EOF&&c!=' '&&c!='\n'&&c!='\t')s+=c;return s;} const ll LINF = 1e3; const ll K = 1e2 + 3; const double EPS = 1e-9; const int MOD = 1e9 + 7; const int N = 1e5 + 3; const int M = 15; const int LIM = 14348907 + 3; const ll INF = 1e18; const int LOG = 12; int n; vector<vector<int>> devise_strategy(int N_) { n = N_; vector<vector<int>> res(21, vector<int>(n + 1, 0)); function<void(int, int, int, int, int, int, int)> dnc = [&](int depth, int id, int sz, int l, int r, int lb, int rb) { if(l > r) return; // cout << depth << " " << id << " " << sz << " " << l << " " << r << " " << lb << " " << rb << endl; ++l; --r; res[id][0] = depth & 1; forn(i, lb, rb) if(i < l || i > r) res[id][i] = -((r < i) ^ (depth & 1)) - 1; int num_sub = min(r - l + 1, 2 + (r - l + 1 > 4)); int len_sub = ceil(1.0 * (r - l + 1) / num_sub); for(int cur_sub = 1, new_l = l; cur_sub <= num_sub; ++cur_sub) { int new_r = min(r, new_l + len_sub - 1); forn(i, new_l, new_r) res[id][i] = sz + cur_sub; dnc(depth + 1, sz + cur_sub, sz + num_sub, new_l, new_r, l - 1, r + 1); new_l = new_r + 1; } }; dnc(0, 0, 0, 1, n, 1, n); // for(auto u : res) // { // for(int v : u) cout << v << " "; cout << endl; // } return res; }
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